Spatial variability of arsenic in 6000 tube wells in a 25 km2 area of Bangladesh: SPATIAL VARIABILITY OF GROUNDWATER ARSENIC

@inproceedings{Geen2003SpatialVO,
  title={Spatial variability of arsenic in 6000 tube wells in a 25 km2 area of Bangladesh: SPATIAL VARIABILITY OF GROUNDWATER ARSENIC},
  author={Alexander van Geen and Yun-jiang Zheng and Roelof Versteeg and Matthias Stute and A. Horneman and Ratan Dhar and Michael S. Steckler and Andrew Gelman and Christopher G. Small and H. Ahsan and Joseph H. Graziano and Ishtiaque Hussain and Kazi Matin Ahmed},
  year={2003}
}
[1] Arsenic concentrations measured by graphite furnace atomic absorption range from < 5 to 900 μg/L in groundwater pumped from 6000 wells within a 25 km2 area of Bangladesh. The proportion of wells that exceed the Bangladesh standard for drinking water of 50 μg/L arsenic increases with depth from 25% between 8 and 10 m to 75% between 15 and 30 m, then declines gradually to less than 10% at 90 m. Some villages within the study area do not have a single well that meets the standard, while others… CONTINUE READING

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